
const {Container, Maybe} = require("./test3/support");
const fp = require("lodash/fp")
/**第三大题，第二小题 */
let mybe = Maybe.of(["do","ray","me","fa","so","la","xi","do"]);
let ex1=fp.first;
mybe = mybe.map(ex1);
console.log('mybe: ', mybe);